ffmpeg/FFmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-09-19 21:06:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

aaccoder: prevent crash of anmr coder

Browse Source 
If minq is negative, the range of sf_idx can be larger than
SCALE_MAX_DIFF allows, causing assertion failures later in
encode_scale_factors.

Reviewed-by: Claudio Freire <klaussfreire@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit is contained in:
Andreas Cadhalpun 2015-12-04 18:13:07 +01:00
parent 325b59368d
commit 7a4652dd5d
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/aaccoder.c
View File

@ -370,7 +370,7 @@ static void search_for_quantizers_anmr(AVCodecContext *avctx, AACEncContext *s,
}
while (idx) {
sce->sf_idx[bandaddr[idx]] = minq + q0;
minq = paths[idx][minq].prev;
minq = FFMAX(paths[idx][minq].prev, 0);
idx--;
}
//set the same quantizers inside window groups